This appears to be a fan-made compilation (a "mod of mods") bundling several standalone Argentine racing series into one package for rFactor 1 (patch 1.7). It likely includes cars from:
Si querés, armo la lista de mods con nombres, autores y enlaces para publicar — decime si preferís que incluya TC, TC2000, Top Race, o todos. mod de mods de autos argentinos para rfactor 17